1. using a jackhammer to break up concrete, pavement, or other hard surfaces
Usage: present participle of jackhammer
2. moving or striking with rapid, forceful, repetitive motions
Usage: figurative use

1. the action of using a jackhammer or making rapid forceful movements
Usage: gerund form

Examples

• The construction crew was jackhammering the old sidewalk all morning.
• The noise from jackhammering made it impossible to concentrate.
• His heart was jackhammering in his chest from nervousness.
• The jackhammering continued for hours as they removed the concrete.
• She could feel her pulse jackhammering after the intense workout.
• The constant jackhammering outside disrupted the meeting.